SOLUTION: A certain drug is made from only two ingredients: compound A and compound B. There are 8 milliliters of compound A used for every 5 milliliters of compound B. If a chemist wants to

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Question 1157388: A certain drug is made from only two ingredients: compound A and compound B. There are 8 milliliters of compound A used for every 5 milliliters of compound B. If a chemist wants to make 1001 milliliters of the drug, how many milliliters of compound B are needed?
Found 2 solutions by josgarithmetic, MathTherapy:
Answer by josgarithmetic(39616) About Me  (Show Source):
Answer by MathTherapy(10551) About Me  (Show Source):
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A certain drug is made from only two ingredients: compound A and compound B. There are 8 milliliters of compound A used for every 5 milliliters of compound B. If a chemist wants to make 1001 milliliters of the drug, how many milliliters of compound B are needed? 
Ratio of A:B = 8:5

With total compound being 1,001 mL, amount of compound B to be mixed =